NPR's purple prose shows little mettle

   Wow, NPR reporters finally did some investigative reporting this morning! They had to have someone to hold their hand, though, so the excellent ProPublica team was brought in to help uncover a TERRIBLE SCANDAL: Some soldiers who get concussions are not receiving Purple Hearts. 
   Surely NPR could have found an injustice somewhere in the world -- and probably in any American city -- that is more worthy of what little investigative energy it has.
   More than 45,000 Purple Hearts have been hauled out